Open Top Cylindrical Dropping Funnel with PTFE Key Stopcock, 50mL, Ungraduated, Borosilicate Glass Subcategory_Filtration Equipment Demonstrates the polarity-sensitive forward-bias behavior

Demonstrates the polarity-sensitive forward-bias behavior of a light-emitting diode on a base with two 4mm terminals

Built for classroom anatomy teaching

the Alnico composition resisting demagnetization for repeatable field-mapping experiments

sized for higher-resistance work where milliampere-level currents need to be set without overheating the component

Pairs 50mm length and 50mm faces on a polished acrylic equilateral prism with 60-degree angles

Open Top Cylindrical Dropping Funnel with PTFE Key Stopcock, 50mL, Ungraduated, Borosilicate Glass Subcategory_Filtration Equipment Demonstrates the polarity-sensitive forward-bias behaviorOpen top cylindrical dropping funnel in borosilicate glass holds 50mL with PTFE key stopcock for controlled liquid addition in chemistry procedures.